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path: root/railties/lib/rails/application/configuration.rb
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require 'active_support/core_ext/string/encoding'
require 'active_support/core_ext/kernel/reporting'
require 'rails/engine/configuration'

module Rails
  class Application
    class Configuration < ::Rails::Engine::Configuration
      attr_accessor :allow_concurrency, :asset_host, :asset_path, :assets,
                    :cache_classes, :cache_store, :consider_all_requests_local,
                    :dependency_loading, :filter_parameters,
                    :force_ssl, :helpers_paths, :logger, :preload_frameworks,
                    :reload_plugins, :secret_token, :serve_static_assets,
                    :static_cache_control, :session_options, :time_zone, :whiny_nils

      attr_writer :log_level
      attr_reader :encoding

      def initialize(*)
        super
        self.encoding = "utf-8"
        @allow_concurrency           = false
        @consider_all_requests_local = false
        @filter_parameters           = []
        @helpers_paths               = []
        @dependency_loading          = true
        @serve_static_assets         = true
        @static_cache_control        = nil
        @force_ssl                   = false
        @session_store               = :cookie_store
        @session_options             = {}
        @time_zone                   = "UTC"
        @log_level                   = nil
        @middleware                  = app_middleware
        @generators                  = app_generators
        @cache_store                 = [ :file_store, "#{root}/tmp/cache/" ]

        @assets = ActiveSupport::OrderedOptions.new
        @assets.enabled         = false
        @assets.paths           = []
        @assets.precompile      = [ /\w+\.(?!js|css).+/, /application.(css|js)$/ ]
        @assets.prefix          = "/assets"
        @assets.version         = ''
        @assets.debug           = false
        @assets.compile         = true
        @assets.digest          = false
        @assets.manifest        = nil
        @assets.cache_store     = [ :file_store, "#{root}/tmp/cache/assets/" ]
        @assets.js_compressor   = nil
        @assets.css_compressor  = nil
      end

      def compiled_asset_path
        "/"
      end

      def encoding=(value)
        @encoding = value
        if "ruby".encoding_aware?
          silence_warnings do
            Encoding.default_external = value
            Encoding.default_internal = value
          end
        else
          $KCODE = value
          if $KCODE == "NONE"
            raise "The value you specified for config.encoding is " \
                  "invalid. The possible values are UTF8, SJIS, or EUC"
          end
        end
      end

      def paths
        @paths ||= begin
          paths = super
          paths.add "config/database",    :with => "config/database.yml"
          paths.add "config/environment", :with => "config/environment.rb"
          paths.add "lib/templates"
          paths.add "log",                :with => "log/#{Rails.env}.log"
          paths.add "public"
          paths.add "public/javascripts"
          paths.add "public/stylesheets"
          paths.add "tmp"
          paths
        end
      end

      # Enable threaded mode. Allows concurrent requests to controller actions and
      # multiple database connections. Also disables automatic dependency loading
      # after boot, and disables reloading code on every request, as these are
      # fundamentally incompatible with thread safety.
      def threadsafe!
        self.preload_frameworks = true
        self.cache_classes = true
        self.dependency_loading = false
        self.allow_concurrency = true
        self
      end

      # Loads and returns the contents of the #database_configuration_file. The
      # contents of the file are processed via ERB before being sent through
      # YAML::load.
      def database_configuration
        require 'erb'
        YAML::load(ERB.new(IO.read(paths["config/database"].first)).result)
      end

      def log_level
        @log_level ||= Rails.env.production? ? :info : :debug
      end

      def colorize_logging
        @colorize_logging
      end

      def colorize_logging=(val)
        @colorize_logging = val
        ActiveSupport::LogSubscriber.colorize_logging = val
        self.generators.colorize_logging = val
      end

      def session_store(*args)
        if args.empty?
          case @session_store
          when :disabled
            nil
          when :active_record_store
            ActiveRecord::SessionStore
          when Symbol
            ActionDispatch::Session.const_get(@session_store.to_s.camelize)
          else
            @session_store
          end
        else
          @session_store = args.shift
          @session_options = args.shift || {}
        end
      end
    end
  end
end